Home / 63,916.40-95,874.60-40,296.80

Finding the Fourth Proportional to 63,916.40, 95,874.60 and 40,296.80

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Solution

The fourth proportional to 63,916.40, 95,874.60 and 40,296.80 is: 60,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,916.40 : 95,874.60 = 40,296.80 : x
  2. Step 2: Convert to fraction form
    63,916.40/95,874.60 = 40,296.80/x
  3. Step 3: Cross multiply
    63,916.40x = 95,874.60 × 40,296.80
  4. Step 4: Simplify right side
    63,916.40x = 3,863,439,581.28
  5. Step 5: Solve for x
    x = 3,863,439,581.28/63,916.40
  6. Step 6: Final answer
    x = 60,445.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.